fix(gitea) : fetch only branch-specific commits using compare API

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/Service/GiteaApiService.php

@@ -133,17 +133,21 @@ final readonly class GiteaApiService
     /**
      * @return array<array{sha: string, commit: array{message: string, author: array}, created: string}>
      */
-    public function listCommits(Project $project, string $branch): array
+    public function listBranchCommits(Project $project, string $branch): array
     {
         $this->assertProjectHasRepo($project);
 
-        return $this->request('GET', sprintf(
-            '/api/v1/repos/%s/%s/commits',
+        $defaultBranch = $this->getDefaultBranch($project);
+
+        $data = $this->request('GET', sprintf(
+            '/api/v1/repos/%s/%s/compare/%s...%s',
             $project->getGiteaOwner(),
             $project->getGiteaRepo(),
-        ), [
-            'query' => ['sha' => $branch, 'limit' => 30],
-        ]);
+            $defaultBranch,
+            urlencode($branch),
+        ));
+
+        return $data['commits'] ?? [];
     }
 
     /**